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from typing import Optional
from sqlalchemy import ForeignKey, String
from sqlalchemy.orm import Mapped, mapped_column
from .dao import BaseDAO
class ItemType(BaseDAO):
filename = "ItemTypes.txt"
__tablename__ = "item_type"
Id: Mapped[int] = mapped_column(primary_key=True)
Code: Mapped[str] = mapped_column(String(4)) # referred to by other tables
ItemType: Mapped[Optional[str]] # internal human readable name
Equiv1 = mapped_column(ForeignKey("item_type.Code"))
Equiv2 = mapped_column(ForeignKey("item_type.Code"))
# what does Rarity do here? fileguide description is unclear
def is_valid(self):
return is_int(self.Id) and self.Code not in (None, '')
def is_int(obj):
try:
int(obj)
except ValueError:
return False
else:
return True
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